[INFO] cloning repository https://github.com/feminstincts/serva
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/feminstincts/serva" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffeminstincts%2Fserva", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffeminstincts%2Fserva'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 364b1d78e3d2129ca714b5e10cc2144012000ef3
[INFO] checking feminstincts/serva against try#81275a1445c7502a974118e0c69b795ab60be991 for pr-80243
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffeminstincts%2Fserva" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/feminstincts/serva on toolchain 81275a1445c7502a974118e0c69b795ab60be991
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/feminstincts/serva
[INFO] finished tweaking git repo https://github.com/feminstincts/serva
[INFO] tweaked toml for git repo https://github.com/feminstincts/serva written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/feminstincts/serva already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a8c6e149ba57703571c19d6fbfa1e4ac76e058e84c4e188a66e1a59605c1cb1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8a8c6e149ba57703571c19d6fbfa1e4ac76e058e84c4e188a66e1a59605c1cb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a8c6e149ba57703571c19d6fbfa1e4ac76e058e84c4e188a66e1a59605c1cb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a8c6e149ba57703571c19d6fbfa1e4ac76e058e84c4e188a66e1a59605c1cb1", kill_on_drop: false }`
[INFO] [stdout] 8a8c6e149ba57703571c19d6fbfa1e4ac76e058e84c4e188a66e1a59605c1cb1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 33503a49733b13e9e447dd61c3ca6af73dbbdca6eb2555357dd90359ebd3b52b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "33503a49733b13e9e447dd61c3ca6af73dbbdca6eb2555357dd90359ebd3b52b", kill_on_drop: false }`
[INFO] [stderr]     Checking serva v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: `(dyn FnOnce() + 'static)` cannot be sent between threads safely
[INFO] [stdout]    --> src/lib.rs:52:22
[INFO] [stdout]     |
[INFO] [stdout] 52  |         let thread = thread::spawn(move || {
[INFO] [stdout]     |                      ^^^^^^^^^^^^^ `(dyn FnOnce() + 'static)` cannot be sent between threads safely
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `Send` is not implemented for `(dyn FnOnce() + 'static)`
[INFO] [stdout]     = note: required because of the requirements on the impl of `Send` for `Unique<(dyn FnOnce() + 'static)>`
[INFO] [stdout]     = note: required because it appears within the type `Box<(dyn FnOnce() + 'static)>`
[INFO] [stdout]     = note: required because of the requirements on the impl of `Send` for `std::sync::mpsc::Receiver<Box<(dyn FnOnce() + 'static)>>`
[INFO] [stdout]     = note: 2 redundant requirements hidden
[INFO] [stdout]     = note: required because of the requirements on the impl of `Send` for `Arc<Mutex<std::sync::mpsc::Receiver<Box<(dyn FnOnce() + 'static)>>>>`
[INFO] [stdout]     = note: required because it appears within the type `[closure@src/lib.rs:52:36: 58:10]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `(dyn FnOnce() + 'static)` cannot be sent between threads safely
[INFO] [stdout]    --> src/lib.rs:52:22
[INFO] [stdout]     |
[INFO] [stdout] 52  |         let thread = thread::spawn(move || {
[INFO] [stdout]     |                      ^^^^^^^^^^^^^ `(dyn FnOnce() + 'static)` cannot be sent between threads safely
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `Send` is not implemented for `(dyn FnOnce() + 'static)`
[INFO] [stdout]     = note: required because of the requirements on the impl of `Send` for `Unique<(dyn FnOnce() + 'static)>`
[INFO] [stdout]     = note: required because it appears within the type `Box<(dyn FnOnce() + 'static)>`
[INFO] [stdout]     = note: required because of the requirements on the impl of `Send` for `std::sync::mpsc::Receiver<Box<(dyn FnOnce() + 'static)>>`
[INFO] [stdout]     = note: 2 redundant requirements hidden
[INFO] [stdout]     = note: required because of the requirements on the impl of `Send` for `Arc<Mutex<std::sync::mpsc::Receiver<Box<(dyn FnOnce() + 'static)>>>>`
[INFO] [stdout]     = note: required because it appears within the type `[closure@src/lib.rs:52:36: 58:10]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `serva`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "33503a49733b13e9e447dd61c3ca6af73dbbdca6eb2555357dd90359ebd3b52b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33503a49733b13e9e447dd61c3ca6af73dbbdca6eb2555357dd90359ebd3b52b", kill_on_drop: false }`
[INFO] [stdout] 33503a49733b13e9e447dd61c3ca6af73dbbdca6eb2555357dd90359ebd3b52b